body {
    background-color: #f6f6f6;
    position: relative;
    margin: 0;
    padding: 0;
}

.clear {
    clear: both;
    line-height: 0;
    height: 5px;
    font-size: 1px;
}

* {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box !important;
    -moz-box-sizing: border-box !important;
    box-sizing: border-box !important;
}

#header {
    height: 140px;
    position: relative;
    width: 100%;
    margin: 0 auto;
}

#top_header {
    width: 980px;
    height: 100px;
    margin: 0 auto;
}

#top_header .logo {
    float: left;
    width: 180px;
    height: 80px;
    border: #dcd7d7 solid 1px;
    margin-top: 10px;
}

#top_header .right {
    float: right;
    width: 150px;
    height: 50px;
}

#top_header .userInfo {
    float: right;
    width: 150px;
    height: 45px;
    background-color: #1abc9c;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
}

#top_header .right .btnLink {
    float: right;
    margin: 10px 35px 0;
}

.nar_bar {
    height: 40px;
    width: 100%;
    background-color: #1abc9c;
    position: relative;
}

.nar_bar_center {
    width: 980px;
    margin: 0 auto;
}

.userLogin {
    float: right;
    height: 36px;
    width: 200px;
    margin: 2px;
    text-align: center;
    color: white;
    font-weight: bold;
}
.userInfoLogin{
    float: left;
    height: 40px;
    text-align: center;
    margin: 8px;
}
.userInfoAvatar{
    float: left;
    margin-top: -2px;
    height: 40px;
    width: 40px;
}

#main {
    width: 980px;
    margin: 0 auto;
    min-height: 300px;
    position: relative;
}

.l {
    float: left;
    width: 100%;
    min-height: 300px;
    margin: 0 auto;
    padding: 10px;
}

.product {
    float: left;
    width: 660px;
    border: #dcd7d7 solid 1px;
    min-height: 500px;
}

.info {
    float: left;
    border: #dcd7d7 solid 1px;
    min-height: 300px;
    width: 290px;
    margin-left: 10px;
}

.r {
    float: left;
    width: 300px;
    min-height: 300px;
    margin: 0 auto;
}

#footer {
    background-color: bisque;
    height: 100px;
}